Upgrading of the previous generation fighters

The RAC "MiG" combat aircraft MiG-21, MiG-23, MiG-27, MiG-25 have won the international recognition and continue to defense the sky of dozens of countries over the world. The RAC "MiG" supports the operation of these aircraft, works out and implements the programs of their upgrading and offers to replace the obsolete aircraft with new fighters on "trade-in" terms. In particular, the RAC "MiG" offers to supply the MiG-31E aircraft instead of obsolete MiG-25 aircraft.